| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] happened to [be] [adv] | 6 |
|
| 2 | [conj] [pron] happened to [be] [adv] | 6 |
|
| 3 | [pron] happened to [be] [verb] [adv] | 7 |
|
| 4 | [pron] happened to [be] [adv] [adj] | 5 |
|
